1 /*
2  * Licensed to the Apache Software Foundation (ASF) under one or more
3  * contributor license agreements.  See the NOTICE file distributed with
4  * this work for additional information regarding copyright ownership.
5  * The ASF licenses this file to You under the Apache License, Version 2.0
6  * (the "License"); you may not use this file except in compliance with
7  * the License.  You may obtain a copy of the License at
8  *
9  *      http://www.apache.org/licenses/LICENSE-2.0
10  *
11  *  Unless required by applicable law or agreed to in writing, software
12  *  distributed under the License is distributed on an "AS IS" BASIS,
13  *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14  *  See the License for the specific language governing permissions and
15  *  limitations under the License.
16  *
17  */
18 package org.apache.bcel.classfile;
19 
20 import java.io.DataOutputStream;
21 import java.io.IOException;
22 
23 import org.apache.bcel.Const;
24 
25 /**
26  * an annotation's element value pair
27  *
28  * @version $Id: ElementValuePair
29  * @since 6.0
30  */
31 public class ElementValuePair
32 {
33     private final ElementValue elementValue;
34 
35     private final ConstantPool constantPool;
36 
37     private final int elementNameIndex;
38 
ElementValuePair(final int elementNameIndex, final ElementValue elementValue, final ConstantPool constantPool)39     public ElementValuePair(final int elementNameIndex, final ElementValue elementValue,
40             final ConstantPool constantPool)
41     {
42         this.elementValue = elementValue;
43         this.elementNameIndex = elementNameIndex;
44         this.constantPool = constantPool;
45     }
46 
getNameString()47     public String getNameString()
48     {
49         final ConstantUtf8 c = (ConstantUtf8) constantPool.getConstant(
50                 elementNameIndex, Const.CONSTANT_Utf8);
51         return c.getBytes();
52     }
53 
getValue()54     public final ElementValue getValue()
55     {
56         return elementValue;
57     }
58 
getNameIndex()59     public int getNameIndex()
60     {
61         return elementNameIndex;
62     }
63 
toShortString()64     public String toShortString()
65     {
66         final StringBuilder result = new StringBuilder();
67         result.append(getNameString()).append("=").append(
68                 getValue().toShortString());
69         return result.toString();
70     }
71 
dump(final DataOutputStream dos)72     protected void dump(final DataOutputStream dos) throws IOException {
73         dos.writeShort(elementNameIndex); // u2 name of the element
74         elementValue.dump(dos);
75     }
76 }
77